A) Leaf shape B) Seed type C) Root structure D) Bark appearance
A) Paper Birch B) Gray Birch C) River Birch D) Yellow Birch
A) Pure white B) Silver-gray C) Dark brown D) Yellowish-bronze
A) Bright green hue B) Perfectly smooth texture C) Black, furrowed appearance D) Salmon-pink to reddish-brown color
A) Bark that smells of wintergreen B) Non-peeling, chalky white bark C) Horizontal lenticels only D) Thick, corky bark
A) Small spines growing out of the bark B) Protective layers on the trunk C) Resin pockets found in bark D) Pores in the bark for gas exchange
A) Paper Birch B) Yellow Birch C) River Birch D) Gray Birch
A) Circular B) Needle-like C) Lobed D) Ovate to triangular
A) Basal B) Whorled C) Opposite D) Alternate
A) Lobed B) Serrate (toothed) C) Crenate (scalloped) D) Entire (smooth)
A) Drupe B) Acorn C) Samara D) Berry
A) Hard nut B) Fleshy fruit C) Winged seed D) Conelike structure
A) Cylindrical flower clusters B) Thorny branches C) Clumps of resin D) Modified leaves
A) Mid-winter B) Early spring C) Year-round D) Late summer to early fall
A) Gray Birch B) River Birch C) Yellow Birch D) Paper Birch
A) 20-30 years B) 500-600 years C) 80-120 years D) 300-400 years
A) Permanently wet soil B) Heavy clay C) Highly alkaline soil D) Well-drained, sandy loam
A) Making canoes and baskets B) Fueling nuclear reactors C) Construction of skyscrapers D) Artificial sweetener production
A) Shallow and spreading B) Knee-like roots C) Aerial roots D) Deep taproot
A) Having both male and female flowers on the same tree B) Having male and female flowers on separate trees C) Being able to self-pollinate D) Requiring a specific soil type to grow
A) Moderate-growing B) Slow-growing C) It varies greatly by species D) Fast-growing
A) Understory specialists B) Climax species C) Pioneer species D) Exotic invaders
A) Samara wing width B) Bark color alone C) Downy twigs on Downy Birch D) Leaf size alone
A) Asia B) Antarctica C) Europe D) North America
A) A specialized birch root B) A white pigment found in birch bark C) A type of birch leaf D) A type of birch disease
A) By tree height alone B) By bark color alone C) By leaf shape and samara wing width D) They are the same species
A) Poisoning herbivores B) Repelling insects C) Lack of any ecological importance D) Food source and habitat for various species |